CBS kicked off a week of summer premieres on Sunday with the debut of new series Reckless and the return of Unforgettable. Reckless drew a 0.7 rating and 4.1 million total viewers at 9 p.m., while Unforgettable returned on par with its previous season with a 0.9 rating at 10 p.m., according to Nielsen overnight numbers.
Earlier, Big Brother shed three tenths in its Sunday premiere with a 1.8 rating. CBS and ABC tied for first in the demo with an overall 1.1 rating/4 share.
In its second week, ABC's Rising Star fell three tenths to a 1.2 rating. Earlier, Wipeout dipped 9% to a 1.0.
NBC, which finished with a 0.9/3, aired a special Last Comic Standing for a 1.1 rating, on par with the show's recent broadcasts.
Fox aired repeats.